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authorAndi Kleen <ak@suse.de>2005-09-12 18:49:24 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 10:49:58 -0700
commite99b861a3e9ec93a48b985519e09b2515c201e8d (patch)
tree3a90eaa67081fdb460e4659709d0e686a49c5842
parent2b4a08150e0ce2f6eb5d0987fdfe3524ec799313 (diff)
[PATCH] x86-64: Only allocate per cpu data for possible CPUs, not compiled in CPUs.
Saves some memory except for hotplug situations. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/x86_64/kernel/setup64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index e8b54dccb3e..bd33be24a38 100644
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -94,7 +94,7 @@ void __init setup_per_cpu_areas(void)
size = PERCPU_ENOUGH_ROOM;
#endif
- for (i = 0; i < NR_CPUS; i++) {
+ for_each_cpu_mask (i, cpu_possible_map) {
char *ptr;
if (!NODE_DATA(cpu_to_node(i))) {